When I was watching YouTube videos, my monitor failed along with my mouse and keyboard. Then the sound failed. Then there was no disk activity. Nothing happening but running fans.
It did this twice while watching YouTube vids.
There was no kernel panic, just the ubiquitous hardware failure.
I dual boot Windows 7 and Ubuntu Studio 14.04 LTS, both 64 bit.
Hello.
Do you have installed the proprietary drivers “fglrx” for your ATI card? it can be installed from additional drivers.
What browser are you using? Do you have installed flash-player? it’s better to have it uninstalled.
Have you tried “chromium-browser”?
See if you find any error or warning in the last lines of what you get with “dmesg” from the terminal, after the problem occurs.
Are you sure of that? So if you enter to the previous version of the Kernel from the Grub menu, the problem does not occur?
You can clear the dmesg output as explained in the link I gave you before, then you make the problem occurs. When you restart (or force restart), analyze dmesg messages looking for errors or warnings.